RCE in langgraph-checkpoint JsonPlusSerializer via Unsafe Deserialization

github.com 2025-11-09查看中文 →

Security AdvisoryCriticallangchain-ai/langgraph

Affected:

langgraph-checkpoint < 3.0

Fixed in:

langgraph-checkpoint 3.0.0

Referenced CVEs: CVE-2025-64439

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